Question

Most metal oxides are insoluble in water but some of these dissolve in water. What
are these oxides and their solutions in water called?

Answer 1

Dear student
Yes most metal oxides are insoluble in water, but some of these dissolve in water
Sodium oxide and Potassium oxide dissolve in water . These solutions in water are called Alkalis.

Na₂O (s) +H₂O(l) $\to$ 2NaOH(aq)
K₂O(s) +H₂O(l) $\to$ 2KOH(aq)

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